Section 33-3 Form And Function In Chordates - The digestive systems of vertebrates have organs that are well. Web the characteristic features of chordata are a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post. Web 33.1 animal form and function; Form and function in chordates. Web echinodermata are so named owing to their spiny skin (from the greek “echinos” meaning “spiny” and “dermos”.
Web echinodermata are so named owing to their spiny skin (from the greek “echinos” meaning “spiny” and “dermos”. Web the characteristic features of chordata are a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post. The digestive systems of vertebrates have organs that are well. Web 33.1 animal form and function; Form and function in chordates.